2012 Yamaha Motorsports FX Nytro M-TX 153 Owners Manual - Page 35

2012 Yamaha Motorsports FX Nytro M-TX 153 Manual

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Control functions Rear torsion springs EWS00750 WARNING The left and right spring preloads must be adjusted to the same setting. Uneven settings can cause poor handling and loss of stability. To increase the spring preload and thereby harden the suspension, turn the adjuster in direction (a). To decrease the spring preload and thereby soften the suspension, turn the adjuster in direction (b). the low-pressure meter to adjust the center shock absorber and the high-pressure meter to adjust the rear shock absorber. 1 50 3 150 10 0 20 0 15 10 5 0 RACING SHOX 250 20 30 0 2 1. Shock absorber pump 2. Pressure gauge (low-pressure meter) 3. Pressure gauge (high-pressure meter) (a) (b) EWS00621 WARNING Support the snowmobile securely on a suitable stand before adjusting the shock absorbers. Otherwise, the snowmobile could fall and cause injury. ECS00710 1 1. Spring preload adjuster Spring preload setting: Minimum (soft): S Standard: M Maximum (hard): H ESU13631 NOTICE Make sure that there is no load on the shock absorbers and that they are fully extended before making any air pressure adjustments. Center shock absorber To adjust the air pressure 1. Place the snowmobile on a level surface and apply the parking brake. 2. Lift the rear of the snowmobile onto a suitable stand to raise the drive track off the ground. 3. Remove the air valve cap from the shock absorber. Adjusting the air pressure of the center shock absorber and the rear shock absorber (FX10M53S/FX10M62S) A shock absorber pump is provided with your snowmobile to adjust the air pressure of the shock absorbers. This pump is equipped with an air pressure gauge. One side of the gauge has a low-pressure meter and the other side of the gauge has a high-pressure meter. Use 0 bar psi 29

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Control functions
29
Rear torsion springs
WARNING
EWS00750
The left and right spring preloads must be
adjusted to the same setting. Uneven set-
tings can cause poor handling and loss of
stability.
To increase the spring preload and thereby
harden the suspension, turn the adjuster in di-
rection (a). To decrease the spring preload
and thereby soften the suspension, turn the
adjuster in direction (b).
ESU13631
Adjusting the air pressure of the cen-
ter shock absorber and the rear shock
absorber (FX10M53S/FX10M62S)
A shock absorber pump is provided with your
snowmobile to adjust the air pressure of the
shock absorbers. This pump is equipped with
an air pressure gauge. One side of the gauge
has a low-pressure meter and the other side
of the gauge has a high-pressure meter. Use
the low-pressure meter to adjust the center
shock absorber and the high-pressure meter
to adjust the rear shock absorber.
WARNING
EWS00621
Support the snowmobile securely on a
suitable stand before adjusting the shock
absorbers. Otherwise, the snowmobile
could fall and cause injury.
NOTICE
ECS00710
Make sure that there is no load on the
shock absorbers and that they are fully ex-
tended before making any air pressure ad-
justments.
Center shock absorber
To adjust the air pressure
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Lift the rear of the snowmobile onto a suit-
able stand to raise the drive track off the
ground.
3.
Remove the air valve cap from the shock
absorber.
1.
Spring preload adjuster
Spring preload setting:
Minimum (soft):
S
Standard:
M
Maximum (hard):
H
1
(b)
(a)
1.
Shock absorber pump
2.
Pressure gauge (low-pressure meter)
3.
Pressure gauge (high-pressure meter)
150
2 0
250
50
0
10
bar
psi
5
0
20
15
1
2
3